From patchwork Thu May 10 04:34:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Subrahmanya Lingappa X-Patchwork-Id: 10391123 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A3B0E6053D for ; Thu, 10 May 2018 04:35:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 84E7A28975 for ; Thu, 10 May 2018 04:35:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 783FE2898B; Thu, 10 May 2018 04:35:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_WEB autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 527E828975 for ; Thu, 10 May 2018 04:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753474AbeEJEfD (ORCPT ); Thu, 10 May 2018 00:35:03 -0400 Received: from mail-pl0-f66.google.com ([209.85.160.66]:34254 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751620AbeEJEfC (ORCPT ); Thu, 10 May 2018 00:35:02 -0400 Received: by mail-pl0-f66.google.com with SMTP id ay10-v6so554629plb.1 for ; Wed, 09 May 2018 21:35:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mobiveil.co.in; s=google; h=from:to:cc:subject:date:message-id; bh=ADrbA1pmHT/jUepn4bZkVl2SG+NBgPEkesYzooP0Tus=; b=muH3lmyh/glqpyi6oBwINxGPF5mLrqfwu2+1z5xzKubeHW9Bbtr7R+XtVWTHQhyp3f XzKJZixwDRFvoNBcIZb9Wp1F7ANtmG3K0/kBkpZXvw1RYpKOsDW5EBkWBKPC+dxoo3/p sOy7rzfr1jukLTgM5X4VdONbmOZyl/857Pel0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=ADrbA1pmHT/jUepn4bZkVl2SG+NBgPEkesYzooP0Tus=; b=TXt3/MCytfUqxHqe4lmnooLbVpiyuzcaepRVUUWPlG5VLNsisNWgbHwoGlvAjkUWfM Btp1rOe8ZpAgAKKlwxoSDipTqslvwdK23rH68+evEH1XE7iQKTZToT/f8jZJyRxxxYnY 1XnCIVCJzwB+sjbvQlFx3Llp2WpKmHa3SJ7q+Pcijo9v+b+C/SbacnWVFcdnuX/EyeHM TnWO7JAq22KVKFAqc1QmF70Wj6mb7Zbm04GAgqGRmQ195lwWUP/PlLTnAC5IOya7tch4 x9Cy80AJ1qaKLmAhlYzsicQo4nthZjSpQK1qPC+ZO96Ag0b3jycReowFAhWgne09JSMA IRtQ== X-Gm-Message-State: ALKqPwcrjkCOFhyfVxwCZW/yP+W8etajhT9rPbImh7NZNmK75TeMlL4J n6NPAqCt8YDzX0zAJaQ7AzAT1o1j X-Google-Smtp-Source: AB8JxZrj2Sx9+UqFntxA9KvyuuakjynLS/PW200vhNvu6jmWMK9HD+Zsw0TrNyiEAYvALKLqatkO8Q== X-Received: by 2002:a17:902:7b83:: with SMTP id w3-v6mr3240197pll.12.1525926901299; Wed, 09 May 2018 21:35:01 -0700 (PDT) Received: from localhost.localdomain.localdomain ([106.51.19.61]) by smtp.gmail.com with ESMTPSA id t14sm47315656pfa.31.2018.05.09.21.34.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 May 2018 21:35:00 -0700 (PDT) From: Subrahmanya Lingappa To: linux-pci@vger.kernel.org, bhelgaas@google.com, lorenzo.pieralisi@arm.com, marc.zyngier@arm.com Cc: mingkai.hu@nxp.com, peter.newton@nxp.com, minghuan.lian@nxp.com, rajesh.raina@nxp.com, rajan.kapoor@nxp.com, prabhjot.singh@nxp.com, Subrahmanya Lingappa , devicetree@vger.kernel.org Subject: [PATCH v11 1/3] PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver DT bindings Date: Thu, 10 May 2018 00:34:53 -0400 Message-Id: <1525926893-29135-1-git-send-email-l.subrahmanya@mobiveil.co.in> X-Mailer: git-send-email 1.8.3.1 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the DT bindings for Mobiveil PCIe Host Bridge IP driver and updates the vendor prefixes file. Signed-off-by: Subrahmanya Lingappa Acked-by: Rob Herring Cc: Bjorn Helgaas Cc: Lorenzo Pieralisi Cc: linux-pci@vger.kernel.org Cc: devicetree@vger.kernel.org --- .../devicetree/bindings/pci/mobiveil-pcie.txt | 73 ++++++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + MAINTAINERS | 7 +++ 3 files changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/mobiveil-pcie.txt diff --git a/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt b/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt new file mode 100644 index 0000000..65038aa --- /dev/null +++ b/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt @@ -0,0 +1,73 @@ +* Mobiveil AXI PCIe Root Port Bridge DT description + +Mobiveil's GPEX 4.0 is a PCIe Gen4 root port bridge IP. This configurable IP +has up to 8 outbound and inbound windows for the address translation. + +Required properties: +- #address-cells: Address representation for root ports, set to <3> +- #size-cells: Size representation for root ports, set to <2> +- #interrupt-cells: specifies the number of cells needed to encode an + interrupt source. The value must be 1. +- compatible: Should contain "mbvl,gpex40-pcie" +- reg: Should contain PCIe registers location and length + "config_axi_slave": PCIe controller registers + "csr_axi_slave" : Bridge config registers + "gpio_slave" : GPIO registers to control slot power + "apb_csr" : MSI registers + +- device_type: must be "pci" +- apio-wins : number of requested apio outbound windows + default 2 outbound windows are configured - + 1. Config window + 2. Memory window +- ppio-wins : number of requested ppio inbound windows + default 1 inbound memory window is configured. +- bus-range: PCI bus numbers covered +- interrupt-controller: identifies the node as an interrupt controller +- #interrupt-cells: specifies the number of cells needed to encode an + interrupt source. The value must be 1. +- interrupt-parent : phandle to the interrupt controller that + it is attached to, it should be set to gic to point to + ARM's Generic Interrupt Controller node in system DT. +- interrupts: The interrupt line of the PCIe controller + last cell of this field is set to 4 to + denote it as IRQ_TYPE_LEVEL_HIGH type interrupt. +- interrupt-map-mask, + interrupt-map: standard PCI properties to define the mapping of the + PCI interface to interrupt numbers. +- ranges: ranges for the PCI memory regions (I/O space region is not + supported by hardware) + Please refer to the standard PCI bus binding document for a more + detailed explanation + + +Example: +++++++++ + pcie0: pcie@a0000000 { + #address-cells = <3>; + #size-cells = <2>; + compatible = "mbvl,gpex40-pcie"; + reg = <0xa0000000 0x00001000>, + <0xb0000000 0x00010000>, + <0xff000000 0x00200000>, + <0xb0010000 0x00001000>; + reg-names = "config_axi_slave", + "csr_axi_slave", + "gpio_slave", + "apb_csr"; + device_type = "pci"; + apio-wins = <2>; + ppio-wins = <1>; + bus-range = <0x00000000 0x000000ff>; + interrupt-controller; + interrupt-parent = <&gic>; + #interrupt-cells = <1>; + interrupts = < 0 89 4 >; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 0 &pci_express 0>, + <0 0 0 1 &pci_express 1>, + <0 0 0 2 &pci_express 2>, + <0 0 0 3 &pci_express 3>; + ranges = < 0x83000000 0 0x00000000 0xa8000000 0 0x8000000>; + + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 0994bdd..8263cc7 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -197,6 +197,7 @@ lwn Liebherr-Werk Nenzing GmbH macnica Macnica Americas marvell Marvell Technology Group Ltd. maxim Maxim Integrated Products +mbvl Mobiveil Inc. mcube mCube meas Measurement Specialties mediatek MediaTek Inc. diff --git a/MAINTAINERS b/MAINTAINERS index 44512c3..b295080 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9162,6 +9162,13 @@ Q: http://patchwork.linuxtv.org/project/linux-media/list/ S: Maintained F: drivers/media/dvb-frontends/mn88473* +PCI DRIVER FOR MOBIVEIL PCIE IP +M: Subrahmanya Lingappa +L: linux-pci@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/pci/mobiveil-pcie.txt +F: drivers/pci/host/pcie-mobiveil.c + MODULE SUPPORT M: Jessica Yu M: Rusty Russell